High alumina insulation brick
Product Description
Items | LG-1.0 | LG-0.9 | LG-0.8 | LG-0.7 | LG-0.6 | LG-0.5 |
| AL2O3.% ≥ | 48 | |||||
| Fe2O3.% ≤ | 2.0 | |||||
| (B.D.)g/cm3 ≤ Bulk density | 1.0 | 0.9 | 0.8 | 0.7 | 0.6 | 0.5 |
| MPa ≥ Cold crushing strength | 4.0 | 3.0 | 2.5 | 1.8 | 1.0 | 0.8 |
| (W. /M.K) ≤ Thermal conductivity | 0.45 | 0.45 | 0.35 | 0.35 | 0.3 | 0.25 |
| 2% ºC Test temperature at which PLC not less than 2% | 1400 | 1400 | 1400 | 1350 | 1350 | 1250 |